Stay updated with real-time air quality in Essex, UK featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.77 μg/m³
0
55
155
255
425
605+
7.88 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
7.44 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 49
Good
9.23μg/m³
PM2.5
17.36μg/m³
PM10
6.77ppb
O3
0.73ppb
SO2
11.15ppb
NO2
0.29ppm
CO
AQI 52
Moderate
9.88μg/m³
PM2.5
14.81μg/m³
PM10
10.88ppb
O3
0.57ppb
SO2
11.90ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
18.55μg/m³
PM10
7.36ppb
O3
0.69ppb
SO2
21.27ppb
NO2
0.29ppm
CO
AQI 38
Good
6.78μg/m³
PM2.5
16.15μg/m³
PM10
6.10ppb
O3
0.83ppb
SO2
12.56ppb
NO2
0.29ppm
CO
AQI 33
Good
5.57μg/m³
PM2.5
14.79μg/m³
PM10
13.84ppb
O3
0.80ppb
SO2
8.47ppb
NO2
0.29ppm
CO
AQI 38
Good
7.44μg/m³
PM2.5
12.52μg/m³
PM10
7.24ppb
O3
0.72ppb
SO2
7.40ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 10:00:00 on 2026-10-07.
In the last 24 hours, the best air quality in Essex, UK was observed at 03:00:00 on 2026-10-06.
As of now, the AQI in Essex, UK is 49, indicating Good conditions.
Essex, UK air has the highest levels of PM2.5.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 8.993 μg/m3.
The PM10 concentration in Essex, UK is 16.976 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.295 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.663 ppb.
The current ozone (O3) level in Essex, UK at the moment is 7.087 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 9.016 ppb.
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